ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 480

• Manufacturer Part Number: ATSAM3U-EK
• Description: KIT EVAL FOR AT91SAM3U CORTEX
• Manufacturer: Atmel
• Type: MCUr

Specifications of ATSAM3U-EK

• Contents: Board
• Processor To Be Evaluated: SAM3U
• Data Bus Width: 32 bit
• Interface Type: RS-232, USB
• Operating Supply Voltage: 3 V
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex - M3
• Silicon Core Number: SAM3U4E
• Silicon Family Name: SAM3U
• Kit Contents: Board CD Docs
• Rohs Compliant: Yes
• For Use With/related Products: AT91SAM3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.14.7
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in the
• UPLLEN: UTMI PLL Enable
0 = The UTMI PLL is disabled.
1 = The UTMI PLL is enabled.
When UPLLEN is set, the LOCKU flag is set once the UTMI PLL startup time is achieved.
• UPLLCOUNT: UTMI PLL Start-up Time
Specifies the number of Slow Clock cycles multiplied by 8 for the UTMI PLL start-up time.
480
31
23
15
–
–
7
–
SAM3U Series
PMC UTMI Clock Configuration Register
CKGR_UCKR
0x400E041C
Read-write
30
22
14
–
–
6
–
UPLLCOUNT
29
21
13
–
–
5
–
28
20
12
–
4
–
“PMC Write Protect Mode
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
Register”.
25
17
–
–
9
–
1
–
6430D–ATARM–25-Mar-11
UPLLEN
24
16
–
8
–
0
–